#ifndef slic3r_GLGizmoMeasure_hpp_
#define slic3r_GLGizmoMeasure_hpp_

#include "GLGizmoBase.hpp"
#if ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/GLModel.hpp"
#else
#include "slic3r/GUI/3DScene.hpp"
#endif // ENABLE_LEGACY_OPENGL_REMOVAL


#include <memory>

#define ENABLE_DEBUG_DIALOG 0

namespace Slic3r {

class ModelVolume;

enum class ModelVolumeType : int;

namespace Measure { class Measuring; }


namespace GUI {


class GLGizmoMeasure : public GLGizmoBase
{
// This gizmo does not use grabbers. The m_hover_id relates to polygon managed by the class itself.

private:
    std::unique_ptr<Measure::Measuring> m_measuring;

    GLModel m_sphere;
    GLModel m_cylinder;
    GLModel m_circle;

    // This holds information to decide whether recalculation is necessary:
    std::vector<Transform3d> m_volumes_matrices;
    std::vector<ModelVolumeType> m_volumes_types;
    Vec3d m_first_instance_scale{ Vec3d::Ones() };
    Vec3d m_first_instance_mirror{ Vec3d::Ones() };

    bool m_mouse_left_down = false; // for detection left_up of this gizmo
    bool m_planes_valid = false;
    const ModelObject* m_old_model_object = nullptr;
    const ModelVolume* m_old_model_volume = nullptr;
    std::vector<const Transform3d*> instances_matrices;

    int m_mouse_pos_x;
    int m_mouse_pos_y;
#if ENABLE_DEBUG_DIALOG
    bool m_show_all = false;
    bool m_show_planes = false;
#endif // ENABLE_DEBUG_DIALOG
    std::vector<std::unique_ptr<GLModel>> m_plane_models;

    void update_if_needed();

public:
    GLGizmoMeasure(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id);
        
    /// <summary>
    /// Apply rotation on select plane
    /// </summary>
    /// <param name="mouse_event">Keep information about mouse click</param>
    /// <returns>Return True when use the information otherwise False.</returns>
    bool on_mouse(const wxMouseEvent &mouse_event) override;

    void data_changed() override;

protected:
    bool on_init() override;
    std::string on_get_name() const override;
    bool on_is_activable() const override;
    void on_render() override;
    void on_set_state() override;
    CommonGizmosDataID on_get_requirements() const override;
};

} // namespace GUI
} // namespace Slic3r

#endif // slic3r_GLGizmoMeasure_hpp_